sandwich_orders=['s1','s2','s3','s4']
finished_sandwiches = []
a = True
while a:
    if int(len(sandwich_orders))!=0:
        t=sandwich_orders.pop()
        finished_sandwiches.insert(0,t)
    else:
        t=False
        print(finished_sandwiches)
print("熟食店的五香烟熏牛肉卖完了")
sandwich_orders=['s1','pastrami','s2','pastrami','s3','pastrami','s4']
print(sandwich_orders)
while sandwich_orders=='pastrami':
    sandwich_orders.remove('pastrami')
    print(sandwich_orders)
names = '请输入你的姓名'
place = '请输入你想去的地方'
a = {}
b = True
while b:
    name = input(names)
    place = input(place)
    t = [name] = place
    repeat = input('yes/no')
    if repeat =='no':
        b = False
        print(t)